Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trang » thanh trung, hanh trinh, minh trang
lieu tinh » trieu tinh, diep tinh, bien tinh
cua nhung » va nhung
manh toan » thanh toan, anh tuan, tinh toan
dan toan » van toan, dan than, xuan toan
ho lieu » so lieu, co lieu, ho kieu

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - ((hanh trang) OR (canh tranh)) cua nhung cong ((dan toan) OR (manh toan)) cau~.
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - ((hanh trang) or (canh tranh)) cua nhung cong ((dan toan) or (manh toan)) cau*.